rousseau, who believed nature to be the source of all good.or him, society was the reason man was born free, but everywhere is in chains. didederot, who in his encyclopea attempted to scrutinize all natural phenomena in the light of reason. diderot's attack on boucher's provocative odalisque reads like a modern attack on pornography. "today's moral decadence," he said, "has led step by step "to the corruption of taste, of color, of composition, "of character, of expression. "this man has no taste. he takes up his brush only to show bottoms and breasts." for diderot, artists like greuze pointed the way forward to a new art, new taste, new morality. his pictures are part of the growth of a new climate in france, part of those almost imperceptible changes in history of which great events like the french revolution are the outcome. with greuze and, here, chardin, we detect a new theme-- that ordinary people have a heroism, that virtue and strength reside in them, not in kings and nobles. indeed, in chardin's world of middle-class people are the me